304 entries under adjective topic. ×

2
deaf
2
disloyal
2
disregardful
2
dogmatic(determined, fixed, rigid, inflexible)
2
hard-shell(determined, persistent, impulsive, obstinate)
2
hardened(determined, fixed, persistent, stubborn)
2
hopeless(appearance, difficulty, terrible, persistent)
2
incurable(difficult, persistent, obstinate, stubborn)
2
insoluble(difficult, obstinate, stubborn, willful)
2
inveterate(persistent, obstinate, insistent, dogged)
2
misbehaving
2
monolithic
2
narrow
2
parochial
2
persevering(tough, firm, unreasonable, grim)
2
pig-headed(difficult, determined, impulsive, obstinate)
2
remorseless(tough, firm, cruel, unreasonable)
2
rogue
2
strong-willed
2
tempestuous
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APASmart Define. (2015). intractable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms
ChicagoSmart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, intractable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>.
MLASmart Define. "intractable thesaurus" 24 June 2015. Web. 24 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms>